Home / 509,530.56-702,491.04-327,917.76

Finding the Fourth Proportional to 509,530.56, 702,491.04 and 327,917.76

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Solution

The fourth proportional to 509,530.56, 702,491.04 and 327,917.76 is: 452,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,530.56 : 702,491.04 = 327,917.76 : x
  2. Step 2: Convert to fraction form
    509,530.56/702,491.04 = 327,917.76/x
  3. Step 3: Cross multiply
    509,530.56x = 702,491.04 × 327,917.76
  4. Step 4: Simplify right side
    509,530.56x = 230,359,288,256.87
  5. Step 5: Solve for x
    x = 230,359,288,256.87/509,530.56
  6. Step 6: Final answer
    x = 452,101.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.